UK Patent Office Workshops- (I'm in)

I'll be going to the 7th April meeting at 1pm, Harmsworth House, London.
Does anyone have any thoughts as to tactics? I seem to recall an FFII page
on their recommended definition of 'technical contribution'. Ah, here it
is: http://wiki.ffii.org/UkpoWorkshops0503En
(I didn't carbon copy this in my submission in the application form btw -
although I do basically agree.)
Now, I haven't been to anything like this before so I'm wondering how to
approach it. Should I come out as an FFII supporter, or should I try to
represent my (web publishing, holds 0 patents) employer, in some sense? I
may be fortunate in that I work for a Big Business. Also, should the Free
Sofware/Open Source card be played?
ta for any sage advice,
Toby Woodwark
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jabber: geektoby at jabber.org.uk